function ouvrir_plan() {
window.open("http://maps.google.fr/maps?f=q&hl=fr&geocode=&q=DRANCY+LOCATIONS+-+290+avenue+Jean+Jaur%C3%A8s,+93700+Drancy&sll=47.15984,2.988281&sspn=23.148778,51.943359&ie=UTF8&ll=48.921822,2.462826&spn=0.042299,0.101452&t=h&z=14&iwloc=A","plan","width=810, height=520, toolbar=0 ,scrollbars=yes ,status=0")
}

function ouvrir_conditions() {
window.open("conditions.html","plan","width=400, height=300, toolbar=0,scrollbars=no,status=0")
}

function ouvrir_horaires() {
window.open("horaires.html","plan","width=400, height=300, toolbar=0,scrollbars=no,status=0")
}